package com.zecan.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.zecan.springcloud.entity.CommonResult;
import com.zecan.springcloud.entity.Payment;
import com.zecan.springcloud.service.CustomerBlockHandler;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @ClassName RateLimitController
 * @Description TODO
 * @date 2022/5/12 17:30
 * @Version 1.0
 */

@RestController
public class RateLimitController {

    @GetMapping("/byResource")
    @SentinelResource(value = "byResource", blockHandler = "handleException")
    public CommonResult byResource() {
        return new CommonResult(200, "按照资源名称限流测试", new Payment(2020L, "serial001"));
    }

    //兜底方法
    public CommonResult handleException(BlockException exception) {
        return new CommonResult(444, exception.getClass().getCanonicalName() + "\t 服务不可用");
    }

    //CustomerBlockHandler
    @GetMapping("/rateLimit/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,  // 引入当前兜底的类
            blockHandler = "handlerException2") // 使用当前类的哪个方法进行兜底
    public CommonResult customerBlockHandler() {
        return  new CommonResult(200,"按照客户自定义限流测试",new Payment(2020L,"serial003"));
    }

}